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Denis Papin FRS (French pronunciation: [dəni papɛ̃]; 22 August 1647 – 26 August 1713) [1] was a French physicist, mathematician and inventor, best known for his pioneering invention of the steam digester, the forerunner of the pressure cooker, the steam engine, [2] [3] the centrifugal pump, submersible and possibly the paddlesteamer (1707).
It has been claimed to be the first mainstream brand of blender, [1] though technically the Waring blender brand was introduced in 1937. In 1946, Oster acquired the Stevens Electric Company, which had received a patent on the liquifying blender in 1922. Oster itself was bought by Sunbeam Corporation in 1960.
An air handler, or air handling unit (often abbreviated to AHU), is a device used to regulate and circulate air as part of a heating, ventilating, and air-conditioning system. [1] An air handler is usually a large metal box containing a blower , furnace or A/C elements, filter racks or chambers, sound attenuators , and dampers . [ 2 ]
2007 Toyota Yaris hatchback owner's manual 1919 Ford Motor Company car and truck operating manual. An owner's manual (also called an instruction manual or a user guide) is an instructional book or booklet that is supplied with almost all technologically advanced consumer products such as vehicles, home appliances and computer peripherals.
When an injury occurs from manual handling of materials, it often is a result of one of the following underlying condition(s). Awkward posture: Bending or twisting; Repetitive motions: Frequency of a task; Forceful exertions: Carrying or lifting heavy loads; Pressure points: The load applying pressure to select areas on the body only
Ruth Marianna Handler (née Mosko; November 4, 1916 – April 27, 2002) was an American business magnate and inventor. She is best known for inventing the Barbie doll in 1959 [ 2 ] and being co-founder of toy manufacturer Mattel with her husband Elliot , as well as serving as the company's first president from 1945 to 1975.
A pressure switch is a form of switch that operates an electrical contact when a certain set fluid pressure has been reached on its input. The switch may be designed to make contact either on pressure rise or on pressure fall. Pressure switches are widely used in industry to automatically supervise and control systems that use pressurized fluids.
The basic structure of a shuttle valve is like a tube with three openings; one on each end, and one in the middle. A ball or other blocking valve element (the shuttle) moves freely within the tube. When pressure of a fluid is exerted through the opening at one end it pushes the shuttle towards the opposite end, closing it. This prevents the ...